This is a power supply based on the variable regulator LM317. The input of the regulator takes about 28 volts DC and it will output a DC voltage from 1.25vdc to 25 VDC. To adjust the output voltage, just open the 5K ohm pot. The regulator will provide 1.5 amps of current.
Keywords：LM317
Reference address：Variable voltage regulator power supply based on LM317
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Controlling an LM317T with a PWM signal
The LM317T from National Semiconductor is a commonly used adjustable voltage regulator that can provide an output voltage of 1.25V to 37V at a maximum current of 1.5A. The output voltage can be adjusted with a potentiometer. The circuit in Figure 1 replaces the potentiometer with an analog voltage, which can be contro
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Constant current parallel voltage regulated power supply circuit composed of LM317
Constant current parallel voltage regulated power supply circuit composed of LM317
As shown in the figure, this is a constant current parallel regulated power supply. It has the characteristics of high speed, low noise and low internal resistance. Using LM317 as a constant current source, it can
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